61% (1986)

54% (1985)

51% (2015)

49% (1984)

58% (2019)

60% (2018)

52% (1991)

59% (2017)

61% (1970)

34% (2008)

56% (1996)

58% (2001)

53% (1971)

63% (1973)

53% (2017)

51% (2015)

73% (1964)

46% (2008)

54% (2005)

58% (2020)